AP Power Consumption Investigation 21 Aug 2003

ALL TESTS USING 5V/2.8A WALL MODULE POWER SUPPLY

Digital multimeter inserted in-line with the power cord set for auto-ranging Ammeter mode w/ 10A max.

All tests performed in office/lab conditions at room temperature.

Test Current(mA) CPU/Clock Connections Conditions
1 450 IBM405EP/233MHz none idle w/ Linux running
2 560 Motorola MPC850/48MHz Ethernet/Prism2.5 pcmcia Running as AP, idle
3 735 Motorola MPC850/48MHz Ethernet/Prism2.5 pcmcia Max. transmit (ftp get)
4 700 Motorola MPC850/48MHz Ethernet/Prism2.5 pcmcia Active (ftp put)
5 866 Toshiba TX3927/133MHz none booting
6 455 Toshiba TX3927/133MHz none idle w/ Linux running
7 490 Toshiba TX3927/133MHz WAN Eth idle w/ Linux running
8 780 Toshiba TX3927/133MHz WAN Eth eth flood ping w/ 1400byte packets
9 830 Toshiba TX3927/133MHz SW Eth + WAN Eth flood ping on both Eth ports
10 720 Toshiba TX3927/133MHz 2 Eth + Prism2.5 miniPCI idle running as AP (beaconing)
11 960 Toshiba TX3927/133MHz 2 Eth + Prism2.5 miniPCI WLAN Sta pushing data at AP
12 1006 Toshiba TX3927/133MHz 2 Eth + Prism2.5 miniPCI bi-dir data flow
13 840 Toshiba TX3927/133MHz 2 Eth + TI miniPCI idle running as AP
14 800 Toshiba TX3927/133MHz 2 Eth + PrismGT miniPCI idle running as AP
15 608 D-Link DWL-900AP+ revA 1 Eth + TI radio idle AP operation
16 760 D-Link DWL-900AP+ revA 1 Eth + TI radio lg file transfer, max transmit activity
17 685 D-Link DWL-900AP+ revA 1 Eth + TI radio 1400byte flood ping
18 950 D-Link DI-624 revA PrismGT Radio idle AP operation
19 1004 D-Link DI-624 revA 1 Eth on SW port Eth flood ping